Radeon HD 8990 vs Radeon R9 390

The values for the video cards below are determined from thousands of PerformanceTest benchmark results and are updated daily.

The first section will show basic information for each Video Card selected.
The first graph shows the G3D Mark values of each Videocard selected.
The second graph, if price data is available, will shows the value for money, in terms of the G3DMark per dollar.

	×Radeon HD 8990	×Radeon R9 390
Price	Search Online	Search Online
Bus Interface	PCIe 3.0 x16	PCIe 3.0 x16
GPU Class	Desktop	Desktop
Core Clock	950 MHz	1000 MHz
Memory Clock	1500 MHz	1250 MHz
Maximum Memory Supported	3072 MB	8192 MB
DirectX	11.1	12.0
OpenGL	4.4	4.5
Max TDP	375W	275W
First Seen on Chart	Q4 2013	Q1 2016
# of Samples	26	3134
Average Results (% diff. to max in group)
DirectX 9	76 FPS (-43.9%)	136 FPS
DirectX 10	33 FPS (-36.6%)	52 FPS
DirectX 11	46 FPS (-18.5%)	57 FPS
DirectX 12	18 FPS (-54.0%)	40 FPS
GPU Compute	2632 Ops/Sec (-22.1%)	3380 Ops/Sec
G2D Rating	658 (-17.8%)	801
G3D Rating	5214 (-41.7%)	8937

Video Card